289327460

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{128021}}^1$

素因数の和:128143

約数の個数: 24

約数和(自身を含む): 612969336

約数和(自身を除く): 323641876

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 128021, 256042, 512084, 640105, 1280210, 2560420, 14466373, 28932746, 57865492, 72331865, 144663730, 289327460]

約数ペア:

[(1, 289327460), (2, 144663730), (4, 72331865), (5, 57865492), (10, 28932746), (20, 14466373), (113, 2560420), (226, 1280210), (452, 640105), (565, 512084), (1130, 256042), (2260, 128021)]